June 2020 – Urban Astronomy

Dumbbell comparison

by Urban AstronomerUncategorized June 27, 2020September 16, 2020No Comments

I intended to do a comparison of a couple of different Light Pollution filters but the weather hasn’t exactly cooperated. All I’ve got so far is 3 hours of data on M27 with a Hutech IDAS LPS-D2, my newest filter. I want to compare that as closely as possible with the older LPS-P2 to see …

Seven Sisters – Messier 45

by Urban AstronomerUncategorized June 8, 2020September 16, 2020No Comments

Jan 7/8, 2020Allen, Texas (Bortle 9)No LP filter (nuts!)60x 2 minutes (2 hours total integration time) William Optics RedCat51QHY 168C Cooled CMOS color cameraiOptron CEM60EC mount, unguided